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perf tools: Add an option to build without libbfd

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Some distributions, like debian, don't link perf with libbfd. Add a
build flag to make this configuration buildable and testable.

This was inspired by:

  https://lore.kernel.org/linux-perf-users/20210910102307.2055484-1-tonyg@leastfixedpoint.com/T/#u

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: tony garnock-jones <tonyg@leastfixedpoint.com>
Link: http://lore.kernel.org/lkml/20210910225756.729087-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2021-09-10 15:57:56 -07:00 committed by Arnaldo Carvalho de Melo
parent 4a86d41404
commit 0d1c50ac48
1 changed files with 27 additions and 24 deletions
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51
tools/perf/Makefile.config
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@ -827,33 +827,36 @@ else
endif
endif
ifeq ($(feature-libbfd), 1)
EXTLIBS += -lbfd -lopcodes
else
# we are on a system that requires -liberty and (maybe) -lz
# to link against -lbfd; test each case individually here
# call all detections now so we get correct
# status in VF output
$(call feature_check,libbfd-liberty)
$(call feature_check,libbfd-liberty-z)
ifeq ($(feature-libbfd-liberty), 1)
EXTLIBS += -lbfd -lopcodes -liberty
FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
ifndef NO_LIBBFD
ifeq ($(feature-libbfd), 1)
EXTLIBS += -lbfd -lopcodes
else
ifeq ($(feature-libbfd-liberty-z), 1)
EXTLIBS += -lbfd -lopcodes -liberty -lz
FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
endif
endif
$(call feature_check,disassembler-four-args)
endif
# we are on a system that requires -liberty and (maybe) -lz
# to link against -lbfd; test each case individually here
ifeq ($(feature-libbfd-buildid), 1)
CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
else
msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
# call all detections now so we get correct
# status in VF output
$(call feature_check,libbfd-liberty)
$(call feature_check,libbfd-liberty-z)
ifeq ($(feature-libbfd-liberty), 1)
EXTLIBS += -lbfd -lopcodes -liberty
FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
else
ifeq ($(feature-libbfd-liberty-z), 1)
EXTLIBS += -lbfd -lopcodes -liberty -lz
FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
endif
endif
$(call feature_check,disassembler-four-args)
endif
ifeq ($(feature-libbfd-buildid), 1)
CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
else
msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
endif
endif
ifdef NO_DEMANGLE